A PREFABRICATED FACILITIES OF RAINWATER

摘要

PURPOSE: A prefabricated storage facility is provided to prevent a rain inflow body inserted into an adjacent water tank box from flowing a reverse direction of flowing rain. CONSTITUTION: A prefabricated storage facility comprises a bottom plate, a water tank box(20), a rubber cover(30), and a rain inflow body(40). The bottom plate is manufactured in the rectangular form and a rectangular lattice groove is formed on the upper surface of the bottom plate. The water tank box includes a casing(21) in which the upper part is open. The bottom surface of a casing includes a cross protrusion(25). A groove portion(22) is formed at the center of the upper end of wall. A flange groove is formed from the inside wall of a casing to both sides.